1; RUN: opt %loadNPMPolly '-passes=print<polly-ast>' -disable-output < %s | FileCheck %s 2; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s -check-prefix=CODEGEN 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4 5@A = common global [1024 x i32] zeroinitializer 6 7define void @bar(i64 %n) { 8start: 9 fence seq_cst 10 br label %loop.header 11 12loop.header: 13 %i = phi i64 [ 0, %start ], [ %i.next, %loop.backedge ] 14 %scevgep = getelementptr [1024 x i32], ptr @A, i64 0, i64 %i 15 %exitcond = icmp ne i64 %i, %n 16 br i1 %exitcond, label %loop.body, label %ret 17 18loop.body: 19 store i32 1, ptr %scevgep 20 br label %loop.backedge 21 22loop.backedge: 23 %i.next = add nsw i64 %i, 1 24 br label %loop.header 25 26ret: 27 fence seq_cst 28 ret void 29} 30 31; CHECK: for (int c0 = 0; c0 < n; c0 += 1) 32; CHECK: Stmt_loop_body(c0) 33 34; CODEGEN: polly.start: 35; CODEGEN: br label %polly.loop_if 36 37; CODEGEN: polly.loop_exit: 38; CODEGEN: br label %polly.merge_new_and_old 39 40; CODEGEN: polly.loop_if: 41; CODEGEN: %polly.loop_guard = icmp slt i64 0, %n 42; CODEGEN: br i1 %polly.loop_guard, label %polly.loop_preheader, label %polly.loop_exit 43 44; CODEGEN: polly.loop_header: 45; CODEGEN: %polly.indvar = phi i64 [ 0, %polly.loop_preheader ], [ %polly.indvar_next, %polly.stmt.loop.body ] 46; CODEGEN: br label %polly.stmt.loop.body 47 48; CODEGEN: polly.stmt.loop.body: 49; CODEGEN: %[[offset:.*]] = shl i64 %polly.indvar, 2 50; CODEGEN: [[PTR:%[a-zA-Z0-9_\.]+]] = getelementptr i8, ptr @A, i64 %[[offset]] 51; CODEGEN: store i32 1, ptr [[PTR]] 52; CODEGEN: %polly.indvar_next = add nsw i64 %polly.indvar, 1 53; CODEGEN: %polly.loop_cond = icmp slt i64 %polly.indvar_next, %n 54; CODEGEN: br i1 %polly.loop_cond, label %polly.loop_header, label %polly.loop_exit 55 56; CODEGEN: polly.loop_preheader: 57; CODEGEN: br label %polly.loop_header 58